Home / 457,552,957.19-631,492,101.94-279,040,409.88

Finding the Fourth Proportional to 457,552,957.19, 631,492,101.94 and 279,040,409.88

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Solution

The fourth proportional to 457,552,957.19, 631,492,101.94 and 279,040,409.88 is: 385,117,858.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,552,957.19 : 631,492,101.94 = 279,040,409.88 : x
  2. Step 2: Convert to fraction form
    457,552,957.19/631,492,101.94 = 279,040,409.88/x
  3. Step 3: Cross multiply
    457,552,957.19x = 631,492,101.94 × 279,040,409.88
  4. Step 4: Simplify right side
    457,552,957.19x = 176,211,814,960,622,752
  5. Step 5: Solve for x
    x = 176,211,814,960,622,752/457,552,957.19
  6. Step 6: Final answer
    x = 385,117,858.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.